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Leadership at TETRA
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DIRECTORS

Hoyt Ammidon Jr.
Director

Hoyt Ammidon, Jr., has served as a member of our Board of Directors since 1998. Mr. Ammidon currently serves on our Audit Committee and our Management and Compensation Committee. He served as a managing director of Berkshire Capital Corporation, a private company that provides merger and acquisition related services to the investment management and securities industries, from November 1994 to January 2004 and as an advisory director since January 2004. Prior thereto, he held various executive positions at Cazenove Incorporated, a brokerage firm, The Chase Manhattan Investment Bank and E.F. Hutton & Co., Inc. Mr. Ammidon serves as a director and chairman of the audit committee of the board of directors of Balchem Corporation, a public company that is subject to the reporting requirements of the Securities Exchange Act of 1934 (the “Exchange Act”), which manufactures microencapsulated products and is a specialty repackager of industrial gases. Mr. Ammidon received his B.A. degree in History from Yale University.
Paul D. Coombs
Director

Paul D. Coombs has served as a member of our Board of Directors since June 1994. From April 2005 to June 2007, Mr. Coombs served as our Executive Vice President of Strategic Initiatives, and from May 2001 to April 2005, as our Executive Vice President and Chief Operating Officer. He served as Senior Vice President – Oil & Gas from 1987 to 1994, and as General Manager – Oil & Gas from 1985 to 1987. Mr. Coombs has served in numerous other positions with us since 1982.
Ralph S. Cunningham, Ph.D.
Chairman of the Board

Ralph S. Cunningham, Ph.D., has served as a member of our Board of Directors since 1999, and as Chairman of our Board of Directors since December, 2006. Dr. Cunningham currently serves on our Audit Committee and our Nominating & Corporate Governance Committee. Dr. Cunningham is presently a director and President and Chief Executive Officer of EPE Holdings, LLC, the general partner of Enterprise GP Holdings L.P., a publicly traded partnership subject to the reporting requirements of the Exchange Act. He also serves as a director of Enterprise Products GP, LLC, and as a director of DEP Holdings, LLC. Dr. Cunningham is a director of Agrium, Incorporated, a Canadian publicly traded company involved in the agricultural chemicals business, and a director of EnCana Corporation, a Canadian publicly traded independent oil and gas company. Dr. Cunningham previously served as a director of Enterprise Products GP from 1998 until March 2005 and served as Chairman and a director of TEPPCO GP from March 2005 until November 2005. He retired in 1997 from CITGO Petroleum Corporation, where he had served as President and Chief Executive Officer since 1995. Dr. Cunningham served as Vice Chairman of Huntsman Corporation from April 1994 to April 1995; and from August 1990 to April 1994, he served as President of Texaco Chemical Company. Prior to joining Texaco Chemical Company, Dr. Cunningham held various executive positions with Clark Oil & Refining and Tenneco Inc. He began his career in Exxon’s refinery operations. Dr. Cunningham received his B.S. degree in Chemical Engineering from Auburn University and his M.S. and Ph.D. degrees in Chemical Engineering from Ohio State University.
Tom H. Delimitros
Director

Tom H. Delimitros has served as a member of our Board of Directors since 1994. Mr. Delimitros is Chairman of our Audit Committee and also serves on our Management and Compensation Committee. He is a founding general partner of AMT Venture Funds, a private limited partnership formed in 1991 that provides equity and debt capital to emerging growth companies involved in advanced material technologies and the energy sector. Mr. Delimitros is also a director and is chairman of the audit committee of the board of directors of Plains Exploration & Production Company, a publicly held energy company that is subject to the reporting requirements of the Exchange Act. Mr. Delimitros received his B.S. and M.S. degrees from the University of Washington in Seattle and his M.B.A. degree from Harvard Business School.
Geoffrey M. Hertel
President and CEO

Geoffrey M. Hertel has served as our President since May 2000, as our Chief Executive Officer since May 2001, and as a member of our Board of Directors since 1984. From January 2000 to May 2001 he also served as our Chief Operating Officer. From January 1994 to 2000, Mr. Hertel served as our Executive Vice President – Finance and Administration. He joined us in March 1993 as Senior Vice President – Finance and Administration. From 1981 to 1984 Mr. Hertel was associated with us as a nonvoting director and special consultant to the Board. He has served as President and a director of Fairway Petroleum, Inc., a private oil and gas company, and LAGGS, Inc., a private natural gas pipeline company, since 1980. From 1972 to 1984, Mr. Hertel held various positions with Rotan Mosle, Inc., an investment banking firm, including Senior Vice President – Corporate Finance. Mr. Hertel received his B.A. and M.B.A. degrees from Michigan State University.
Allen T. McInnes, Ph.D.
Director

Allen T. McInnes, Ph.D, has served as a member of our Board of Directors since 1993. He served as our President and Chief Executive Officer from April 1996 to January 2000. Mr. McInnes currently serves on our Audit Committee and our Nominating and Corporate Governance Committee. He has served as Dean of the Business School of Texas Tech University since September 2001. He has served as Chairman of the Board of TGC Industries, which is involved in the geophysical business, since July 1993. Mr. McInnes has been a director of Chase Packaging Corporation since 1993. He has been a director of Alamosa Holdings, Inc., a public company that provides wireless communications services, since February 2003. Mr. McInnes is a former Executive Vice President and director of Tenneco, Inc., where at various times he had overall corporate-level responsibility for chemicals, minerals, packaging, international development and real estate operations. Mr. McInnes received his B.B.A., M.B.A. and Ph.D. degrees from the University of Texas and he completed the Advanced Management Program at Harvard Business School in 1973.
Kenneth P. Mitchell
Director

Kenneth P. Mitchell has served as a member of our Board of Directors since 1997. Mr. Mitchell currently serves on our Management and Compensation Committee and as Chairman of our Nominating and Corporate Governance Committee. He is presently a director and chairman of the compensation committee of Balchem Corporation, a public company subject to the reporting requirements of the Exchange Act that manufactures microencapsulated products and is a specialty repackager of industrial gases. Mr. Mitchell served as President and Chief Executive Officer of Oakite Products, Inc., a specialty chemicals company, from 1986 until he retired in 1993. From 1964 to 1986, he held a number of executive positions with Diamond Shamrock Corporation, all of which were related to various commodity and specialty chemical businesses. Mr. Mitchell received his B.S. degree in Marketing and Finance from Ohio State University, and he completed the Senior Executive Program at M.I.T. in 1979.
William D. Sullivan
Director

William D. Sullivan has served as a member of our Board of Directors since August, 2007. Mr. Sullivan is a Director, and serves on the Nominating and Corporate Governance and Compensation Committees of St. Mary Land & Exploration Company, a publicly traded exploration and production company. Mr. Sullivan is also a Director, serves on the Compensation and Audit Committees, and is Chairman of the Nominating, Governance & Conflicts Committee of Legacy Reserves GP, LLC, the general partner of Legacy Reserves, LP, a publicly traded limited partnership holding oil and gas producing assets, primarily in the Permian Basin. Mr. Sullivan is a Director, and serves on the Conflicts and Audit Committees of Targa Resources GP, LLC, the general partner of Targa Resources LP, a publicly traded limited partnership focused on mid-stream gas gathering, processing, liquids fractionation and transportation business. Mr. Sullivan serves as an Advisory Director to Gulf Energy, a privately owned, Kuwait-based company focusing on E&P, oil service and product distribution in the Middle East and North Africa. From 1981 through August 2003, Mr. Sullivan was employed in various capacities by Anadarko Petroleum Corporation, most recently as Executive Vice President, Exploration and Production. From June 2005 through August 2005, Mr. Sullivan served as President and Chief Executive Officer of Leor Energy LP. Mr. Sullivan received his B.S. in Mechanical Engineering from Texas A&M University.
Kenneth E. White, Jr.
Director

Kenneth E. White, Jr., has served as a member of our Board of Directors since 2002. Mr. White is Chairman of our Management and Compensation Committee and also currently serves on our Audit Committee. He served as President and Chief Operating Officer and a director of Torch Energy Advisors, a private company that owns and operates oil and gas projects on behalf of its investors, until his retirement in January 2001. Prior to his initial employment by Torch in 1989, he served as Executive Vice President and General Manager of Gruy Engineering, a petroleum consulting firm affiliated with Torch, during 1989. From 1982 to 1989, Mr. White served in several positions with Tenneco Oil related to Gulf Coast reservoir management and engineering. He received his B.S. degree in Mechanical Engineering from Louisiana State University.
 

OFFICERS

Geoffrey M. Hertel
President and CEO

(see Board of Directors)
Stuart M. Brightman
Executive Vice President and COO

Stuart M. Brightman has served as our Executive Vice President and Chief Operating Officer since April 2005. Mr. Brightman served as President of the Dresser Flow Control division of Dresser, Inc. from April 2002 until April, 2004. Dresser Flow Control, which manufactures and sells valves, actuators and other equipment and provides related technology and services for the oil and gas industry, had revenues in excess of $400 million in 2004. From November 1998 to April 2002, Mr. Brightman was President of the Americas Operation of the Dresser Valve Division of Dresser, Inc. He served in other capacities during the earlier portion of his career with Dresser, from 1993 to 1998. From 1982 to 1993, Mr. Brightman served in several financial and operational positions with Cameron Iron Works and its successor, Cooper Oil Tools. Mr. Brightman received his B.S. degree from the University of Pennsylvania and his M.B.A. degree from the Wharton School of Business.
Joseph M. Abell III
Senior Vice President and CFO

Joseph M. Abell III has served as our Senior Vice President and Chief Financial Officer since May 2001. From January 1998 to May 2001 he served as Vice President of Sithe Energies, Inc. and then as Senior Vice President of one of its parent companies, Marubeni Power International, Inc., where he was involved in the acquisition, development and financing of power generation projects in Latin America. From December 1994 through December 1997 Mr. Abell was employed as a Project Director by British Gas International, Inc. and prior to that time he held various acquisition, strategic planning and project development positions in the power generation and gas pipeline businesses with American National Power, Transco Energy Company and Tenneco Inc. Mr. Abell received his B.S. degree in Mechanical Engineering from Cornell University and his M.B.A. degree from the University of Chicago.
Philip N. Longorio
Senior Vice President

Philip N. Longorio has served as a Senior Vice President of the Company since February 2008. Mr. Longorio is a thirty year veteran of the oil and gas service industry, and has held various executive management positions with both major and smaller oil service companies. From July 2004 through May 2007, Mr. Longorio served as President and Chief Executive Officer of WellDynamics B.V., a joint venture between Halliburton Energy Services and Shell Technology Ventures, which provides intelligent well technology. From December 1999 through February 2004, Mr. Longorio served as Vice President of Sperry-Sun Drilling Services, a subsidiary of Halliburton Energy Services, and from 1988 through 1999 he served at Halliburton in executive management roles leading the well testing, wireline logging and perforating businesses. Mr. Longorio began his oilfield career in 1977 at Gearhart Industries. Mr. Longorio currently serves as non-executive Chairman of the Board of Directors for GEODynamics, Inc., a private company involved in the manufacture and sale of shaped perforating charges for downhole well applications, and he is an independent director for SensorTran, a private company that provides products and services related to remote downhole well monitoring. Mr. Longorio is a United States Air Force veteran, and an active member of the SPE and SPWLA.
Dennis R. Mathews
Senior Vice President

Dennis R. Mathews has served as a Senior Vice President of the Company since January 2001. He has served as Vice President of TETRA International since 1994, as General Manager of our INTEQ/TETRA joint venture from 1991 to 1994, and in numerous other positions with us since 1982. Mr. Mathews received his B.S. degree in Business Management from Southwestern Oklahoma State University.
Raymond D. Symens
Senior Vice President

Raymond D. Symens has served as a Senior Vice President of the Company since 1994. He served as Vice President – Manufacturing from 1988 to 1994. From 1976 to 1988 Mr. Symens held various executive positions with Earth Sciences Incorporated and its wholly owned Canadian subsidiary, ESI Resources, Ltd., ultimately serving as Vice President and General Manager for the company’s chemical recovery operations located in western Canada. Mr. Symens received his B.S. degree in Metallurgical Engineering from the South Dakota School of Mines and Technology.
Bass C. Wallace, Jr.
General Counsel and Secretary

Bass C. Wallace, Jr., has served as our General Counsel since 1994 and as our Corporate Secretary since 1996. From 1984 to 1994 he was engaged in the private practice of law. Mr. Wallace received his B.A. degree in Economics from the University of Virginia and his J.D. degree from the University of Texas School of Law.
Ben C. Chambers
Vice President - Accounting and Controller

Ben C. Chambers has served as our Vice President – Accounting and Controller since May 2001. He served as Chief Accounting Officer from May 2000 to May 2001. He was first employed by us in 1993, and served as Controller of our Oil & Gas Services Division from January 1995 to May 2000. From 1979 to 1992 Mr. Chambers held various management positions with Baker Hughes, Inc., most recently as Controller for its Tubular Services Division. Mr. Chambers received his B.S. degree in Accounting from the University of Oklahoma, and he is a certified public accountant.
Bruce A. Cobb
Vice President - Finance and Treasurer

Bruce A. Cobb has served as our Vice President – Finance and Treasurer since May 2001. He served as our Controller and Treasurer from May 2000 to May 2001 and as our Chief Accounting Officer from June 1999 to May 2000. Mr. Cobb served as our Controller from 1991 to May 1999. From 1987 to 1991 he was the Chief Financial Officer of Speeflo Manufacturing Company. From 1979 to 1987 Mr. Cobb served as Division Controller for Hughes Production Tools, a division of Hughes Tool Company. From 1973 to 1979 he practiced accounting with Ernst & Young. Mr. Cobb received his B.B.A. degree in Accounting from the University of Texas, and he is a certified public accountant.
Linden H. Price
Vice President - Administration

Linden H. Price has served as our Vice President – Administration since May 2001. He has served as Director of our Human Resources department since September 1993. From 1989 to 1993 Mr. Price was Director of Human Resources for TRW Environmental Services, a business unit of TRW Inc. From 1982 to 1989 he was Director of Human Resources and Administration for Grant-Norpac, a geophysical services company. Mr. Price received his B.A. degree in Social Sciences from the College of Santa Fe and his master’s degree in Human Development from the University of Maryland.